oshi.hardware.platform.mac.MacLogicalVolumeGroup Maven / Gradle / Ivy
/*
* Copyright 2021-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.hardware.platform.mac;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import oshi.hardware.LogicalVolumeGroup;
import oshi.hardware.common.AbstractLogicalVolumeGroup;
import oshi.util.ExecutingCommand;
final class MacLogicalVolumeGroup extends AbstractLogicalVolumeGroup {
private static final String DISKUTIL_CS_LIST = "diskutil cs list";
private static final String LOGICAL_VOLUME_GROUP = "Logical Volume Group";
private static final String PHYSICAL_VOLUME = "Physical Volume";
private static final String LOGICAL_VOLUME = "Logical Volume";
MacLogicalVolumeGroup(String name, Map> lvMap, Set pvSet) {
super(name, lvMap, pvSet);
}
static List getLogicalVolumeGroups() {
Map>> logicalVolumesMap = new HashMap<>();
Map> physicalVolumesMap = new HashMap<>();
String currentVolumeGroup = null;
boolean lookForVGName = false;
boolean lookForPVName = false;
int indexOf;
// Parse `diskutil cs list` to populate logical volume map
for (String line : ExecutingCommand.runNative(DISKUTIL_CS_LIST)) {
if (line.contains(LOGICAL_VOLUME_GROUP)) {
// Disks that follow should be attached to this VG
lookForVGName = true;
} else if (lookForVGName) {
indexOf = line.indexOf("Name:");
if (indexOf >= 0) {
currentVolumeGroup = line.substring(indexOf + 5).trim();
lookForVGName = false;
}
} else if (line.contains(PHYSICAL_VOLUME)) {
lookForPVName = true;
} else if (line.contains(LOGICAL_VOLUME)) {
lookForPVName = false;
} else {
indexOf = line.indexOf("Disk:");
if (indexOf >= 0) {
if (lookForPVName) {
physicalVolumesMap.computeIfAbsent(currentVolumeGroup, k -> new HashSet<>())
.add(line.substring(indexOf + 5).trim());
} else {
logicalVolumesMap.computeIfAbsent(currentVolumeGroup, k -> new HashMap<>())
.put(line.substring(indexOf + 5).trim(), Collections.emptySet());
}
}
}
}
return logicalVolumesMap.entrySet().stream()
.map(e -> new MacLogicalVolumeGroup(e.getKey(), e.getValue(), physicalVolumesMap.get(e.getKey())))
.collect(Collectors.toList());
}
}